No minimums
Can your hand do something on every turn
Set boosters were doing well for stores and were thought well of by many players, so while not an unsurprising change, it is certainly odd considering the success of set boosters (of course I do not have information how well they were actually doing)
You see, middle-staged Pokemon tend to receive less attention than their Basic and Stage 2 forms since most fans only care about the cute basic forms and the all-powerful Stage 2 forms that can help them win games
The game adds many new features not present in the original, such as new cards, the ability to play as a female character, a much larger in-game world, and a more developed story (rather than just collect cards and defeat the Grand Masters, the player must defeat Team Great Rocket)
That means, of course, that a character with Vanish is much easier for your opponent to remove